Was ITB size for 2270 motor Now Single plenum 2270 |
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Was ITB size for 2270 motor Now Single plenum 2270 |
cgnj |
Mar 15 2016, 03:41 PM
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#1
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Senior Member Group: Members Posts: 623 Joined: 6-March 03 From: Medford, NJ Member No.: 403 Region Association: None |
I have been running 45 dells on 2270 with 34mm vents. Not sure if it was the cam choice (163/86b0, but it was much easier to drive with than with the 38/39 vents.
I was going to gut my spare dells for this project, but I think they are worth more in the box. So, for street 2270 what size motorcycle from wich bike tb should I be looking at for a first build? Thanks in advance, Carlos |
cgnj |
Mar 15 2016, 05:02 PM
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#2
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Senior Member Group: Members Posts: 623 Joined: 6-March 03 From: Medford, NJ Member No.: 403 Region Association: None |
Hi Mark
I was hoping you would chime in. I read your thread 3 times. I guess my question is with the larger bores, the intake velocity slows. Is this a non issue with ITB's? Do we choke the bores of the carbs to compensate for an analog fuel delivery system? That would make sense to me. But I'm a dope. Ask my ex. Carlos |
Mark Henry |
Mar 16 2016, 09:53 AM
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#3
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
Hi Mark I was hoping you would chime in. I read your thread 3 times. I guess my question is with the larger bores, the intake velocity slows. Is this a non issue with ITB's? Do we choke the bores of the carbs to compensate for an analog fuel delivery system? That would make sense to me. But I'm a dope. Ask my ex. Carlos Actually the choke in a carb the proper name is 'venturi' and what it does is it speeds up the air, creating a substantial turbulence to atomize the fuel for a proper burn. It also helps to suck the fuel from the carb (bowl) at a metered rate. A fuel injection TB doesn't need this as the injector atomizes the pressurized fuel. Search the venturi effect. |
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